Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d3023dcdbbc2d52…

MALICIOUS

PDF

74.8 KB Created: 2022-04-13 10:02:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-14
MD5: e1c5fd0945b050448f63c946a8b94cd2 SHA-1: 36e6969dcf09c75d27fff9f3fe0a1562bb101fb8 SHA-256: 5d3023dcdbbc2d52bddd5ce6fc43a60148231bad503b7399be1f7165b81afc8e
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://mifuj.co.za/YmrXLWy8?keyword=star%20trek%20into%20darkness%20cast%20list PDF link annotation
    • https://tamm.be/_files/file/66705004746.pdfIn PDF document text
    • https://www.nasasquirrel.org/kcfinder/upload/files/ximakod.pdfIn PDF document text
    • https://rogebupapopax.weebly.com/uploads/1/3/0/7/130739826/5279257.pdfIn PDF document text
    • http://nokianhakkablue.ru/ckfinder/userfiles/files/37461263637.pdfIn PDF document text
    • https://abisspaandboutique.com/nbloom/fckuploads/file/fopawiloribapaperesu.pdfIn PDF document text
    • https://kelezisexuva.weebly.com/uploads/1/3/0/7/130739204/9631050.pdfIn PDF document text
    • http://www.proektes.ru/kcfinder/upload/files/mofolegulibofevo.pdfIn PDF document text
    • http://xn--aknmedcal-wpbe.com/uploads/file/98164493590.pdfIn PDF document text
    • http://eigo-manabo.com/app/webroot/js/kcfinder/upload/files/mosujakupitevef.pdfIn PDF document text
    • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16212fed3393ec---kofarejunidazutodemob.pdfIn PDF document text
    • https://torosiwetub.weebly.com/uploads/1/3/5/3/135351177/1636c2e84d1.pdfIn PDF document text
    • http://change4best.ru/upload/file/49466495160.pdfIn PDF document text
    • https://dutimuju.weebly.com/uploads/1/3/4/3/134334277/sugimifezafavar.pdfIn PDF document text
    • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/363f4fa604b6157227f4f5176fc7bab4/tibuwavebapowozaw.pdfIn PDF document text
    • https://jorimedazaget.weebly.com/uploads/1/3/0/7/130738946/2607776.pdfIn PDF document text
    • https://mokabeninenaji.weebly.com/uploads/1/3/4/0/134013120/1262691.pdfIn PDF document text
    • http://confidenceagricare.com/assets/ckeditor/kcfinder/upload/files/gopolovowusi.pdfIn PDF document text
    • http://cc-loges.com/uploads/file/62025790350.pdfIn PDF document text
    • http://ocalsandalye.com/panel/kcfinder/upload/files/mixuzoxexogetagof.pdfIn PDF document text
    • https://ripedesign.com/app/webroot/files/fckeditor/file/rorusapo.pdfIn PDF document text
    • https://xomivevisavuwog.weebly.com/uploads/1/3/4/8/134852088/940128.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000c020.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c020.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c020.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC020 10528 bytes
SHA-256: fa9a26b3141cb332b6b1579f819ebd50f7f2e08b078a7048a2b59679b8328257
font_01_sfnt_off0000d827.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD827 17460 bytes
SHA-256: 3e0aaba1311f60f74d8a7c567dcb711bbf695d2c59501c4d006322fd30dd4571
font_02_sfnt_off000105ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105AC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1